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<html>
	<head lang="en">
		<meta charset="UTF-8">
		<title>北大青鸟课程导航</title>
		<style type="text/css">
			.div{
				width: 250px;
				height: 340px;
				padding-left: 5px;
				padding-right: 5px;
				border:1px solid cornflowerblue;
				margin: 0 auto;
				background-color: whitesmoke;	
				box-sizing: border-box;
			}
			h1{
				border:3px solid lavenderblush;
				font-size: 14px;color: cornflowerblue;
				text-indent: 20px;
				background: url(img/title_icon.gif) no-repeat;
				background-color: lavenderblush;
				background-size: contain;
			}
			li{
				font:18px "微软雅黑";
				list-style: none;
			}
			body,ul,li,h1{
				padding: 0px;
				margin: 0;
			}
			li{
				background: url(img/submenu.gif) no-repeat;
				
			}
			div li{
				height: 30px;
				width: 161px;
				border:1px solid aqua ;
				border-left-color: whitesmoke;
				border-right-color: whitesmoke;
			}
			li:nth-of-type(9){
				border-bottom-color: whitesmoke;
			}
			li:nth-of-type(1){
				margin-top: 10px;
			}
		</style>
	</head>
	<body>
		<div class="div">
			<h1>课程导航</h1>
			<ul>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
				<li><a href="#">ACCP软件工程师</a></li>
			</ul>
		</div>
	</body>
</html>